66714442811 has 8 divisors (see below), whose sum is σ = 67374494304. Its totient is φ = 66054628800.

The previous prime is 66714442777. The next prime is 66714442819. The reversal of 66714442811 is 11824441766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66714442811 - 2²⁶ = 66647333947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66714442819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534461 + ... + 647361.

It is an arithmetic number, because the mean of its divisors is an integer number (8421811788).

Almost surely, 2^66714442811 is an apocalyptic number.

66714442811 is a deficient number, since it is larger than the sum of its proper divisors (660051493).

66714442811 is a wasteful number, since it uses less digits than its factorization.

66714442811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118741.

The product of its digits is 258048, while the sum is 44.

The spelling of 66714442811 in words is "sixty-six billion, seven hundred fourteen million, four hundred forty-two thousand, eight hundred eleven".